单元目标
1.复习现在时:一般现在时,现在进行时,现在完成时,现在完成进行时.
①一般现在时
(A)表示经常性或习惯性的动作.
eg:We always care for each other and help each other.
我们总是相互关心相互帮助.
(B)表示现在的状态和特征.
eg:Matter exists in three states.物质有三态.
(C)表示客观存在的现象或普遍真理.
eg:The sun rises in the east and sets in the west.
太阳从东边升起,从西边落下.
(D)在时间和条件状语从句中,用一般现在时代替将来时.
eg:We’ll start as soon as the rain stops.雨一停,我们就出发o
(E)下列情况也用一般现在时:电影说明,新闻标题,影视解说,图片说明等.
②现在进行时
(A)表示说话时正在进行的动作.
eg:—What are you doing?—I’m reading a book.
一你在干什么?一我在看书.
(B)表示现阶段正在做的事.
eg:My daughter is working hard this term.我女儿这学期一直努力学习.
(C)进行时和always,often,frequently,all the time等副词连用,带有情感色彩.
(如:赞叹,厌烦等)
eg:He is always coming late.他老是迟到.(表示不满)
eg:He is always thinking of helping others.他总是想着帮助别人.(表示赞许)
③现在完成时
(A)表示一个动作发生在过去,其后果或影响延续到现在.
eg:You have seen the film.Can you tell me something about it?
你已看过这部电影.你能给我讲讲这部电影吗?
(B)表示某动作从过去某一时刻起,一直继续到现在.常和某些时间状语连用.
eg:Great changes have taken place in my hometown since 1980.
从1980年以来,我的家乡发生了很大的变化.
(C)在时间和条件状语中,现在完成时代替将来完成时.
eg:We’ll start at 5 A.m.if it has stopped raining by then.
如果5点钟时雨停,我们就出发.
④现在完成进行时
现在完成时和现在完成进行时在意义上没有明显的区别.后者更强调动
作在说话时仍在继续进行,并有可能再继续下去.
eg:All these years he has been writing articles for our magazine.
这些年来,他一直为我们的杂志写稿.
2.用下列词和词组复述课文
1980,fall to pieces,today,15 Indian eXPerts,the Cambodian women,devote...to,in buckets,watch over,three Indian chemists,protect...from,at 7A.m.,at midday,few skilled stone workers left,in search of,leave sb.to do...,the best time,spread,take on a golden color
讨论难点
1.现在时被动语态
在被动结构的句子中,动作执行者可以由介词by引起的短语表示.若没有必要或不可能指出动作的执行者时,by引起的短语可省去.被动语态的谓语,一般是及物动词.被动语态没有完成进行时态和将来进行时态.
①现在时被动语态的构成(以write为例)
②用法
(A)行为的执行者不明确或由于种种原因不必说出来.
eg:Work is done when an object is moved.
移动物体就作了功.
(B)句子强调的中心是动作的对象,而不是动作的执行者.
eg:A modern teaching building has been set up in our schoo1.
我们学校已盖了一栋现代化的教学大楼.
(C)为了句子结构的合理安排.
eg:He appeared on the platform and was given a warm welcome by the audience.
他出现在讲台上,观众给予热烈的欢迎.
2.注意下列动词和on搭配时的用法
live on;carry on;keep on;call on;move on;take on;depend on;have...on;feed on;put on;get on;look on;work on;insist on;pass on;hand on;hold on;turn on;switch on;drop in on
核心知识
1.掌握并能正确运用如下交际用语
We’ll have to do...;We should /ought to do...;
I think we should do...;We must do...until...;
Can you do...;It’s necessary to do
2.本单元中的单词、词组和句型的用法
①as long as:长达……
eg:The battle lasted as long as ten hours.
那场战斗长达10个小时.
It takes us as long as one and a half hours from Hangzhou to Beijing by air.
从杭州到北京坐飞机要花长达一个半小时的时间.
as long as:on condition that...;providing (that)...如果,只要
eg:You may borrow the book as long as you keep it clean.
只要你保持书的清洁,你可以借书.
②masses of:可以后加可数名词或不可数名词,译为:大量、许多
eg:Look! There are masses of dark clouds in the sky.It’s going to rain.
看!天上乌云滚滚.要下雨了.
The ship cut its way slowly through masses of ice.
船破冰缓缓而前.
③as it is:当其置于句首时,译为:事实上,就实际情况而论.
置于句尾时,译为:照现状,顺其自然.
eg:We hoped things would get better,but as it is they are getting worse.
当时我们希望形势会变好,但事实上,情况越来越糟.
eg:They agreed to buy the house as it is.
他们同意按现状买下这幢房子.
④smooth v.
eg:make the surface smooth使表面光滑
smooth away:get rid of排除
eg:I think we’ll be able to smooth away these little difficulties.
我想我们将能够排除这些小麻烦.
⑤devote..to:give up ( oneself,one’s time...)to
该词组中的to为介词
eg:Lei Feng devoted himself to our motherland.
雷锋把自己的一切献给了我们的祖国.
⑥take on:(A)put on呈现
eg:take on a new look呈现新面貌
take on a different look呈现不同面貌
take on flesh and blood显得有血有肉
(B)engage雇佣
eg:His firm has been built up,so he has to take on another twenty workers.
他的公司有了发展,所以他得再雇佣20名工人.
Angkor Wat